Home / 7,736.85-11,610.27-2,806.05

Finding the Fourth Proportional to 7,736.85, 11,610.27 and 2,806.05

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Solution

The fourth proportional to 7,736.85, 11,610.27 and 2,806.05 is: 4,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.85 : 11,610.27 = 2,806.05 : x
  2. Step 2: Convert to fraction form
    7,736.85/11,610.27 = 2,806.05/x
  3. Step 3: Cross multiply
    7,736.85x = 11,610.27 × 2,806.05
  4. Step 4: Simplify right side
    7,736.85x = 32,578,998.13
  5. Step 5: Solve for x
    x = 32,578,998.13/7,736.85
  6. Step 6: Final answer
    x = 4,210.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.